Servo Control - Sony DVP-CX860 Service Manual

For Schematic Diagram
• Refer to page 4-11 for printed wiring board.
2 3 4
1
MB-94 BOARD(5/10)

SERVO CONTROL

A
-REF.NO.:1000 SERIES-
NO MARK:PB MODE
C402
0.1u R403
B 10
TIA+
TIA-
71 TO(6/10)
TIB+
B
TIB-
C401 R402
10
0.1u
B
36 35 34 33 32 31 30 29
IC401
C
FOCUS/TRACKING COIL
TILT MOTOR DRIVE
1 2 3 4 5 6 7 8
D
R409
C416 10
0.1u
B
C403
0.1u
B
R454
6.8
R408
E C409
6.8
470p
C431
0.1u
R406
B 10
R416
82k
C410
TRK-
33p
TRK+
72
TO(6/10)
FCS-
R411
FCS+
15k
F
C411
0.1u
R404
B
10
G
SLB+
73 SLB-
TO(6/10)
SLA+
SLA-
C430 R405
0.1u 10
B
36 35 34 33 32 31 30 29
H
SPM+
SPM+ 1 2 3 4 5 6 7 8
I
74 SPM-
TO(6/10)
SPM1
C413
0.1u
B
R412
10
J
C465
0.1u
B
IC402
SLED/SPINDLE MOTOR DRIVE
K
B+
11V
C405
47u
41
TO(3/10)
16V
M_GND
L
16
MB-94
BOARD (5/10)
6 7
IC404 ws
IC404 ws
(DVD PLAY) (CD PLAY)
300mVp-p
20ms/div
20ms/div
5 6 7 8
R423 R436
10k 10k
R424
R443
82k 82k
R417 R444
68k
68k
C417 C425
0.22u B 0.22u B
B+
JL428
28 38 27 26 25 24 23 22 21 20 19
9 37 10 11 12 13 14 15 16 17 18
JL425
C414
0.1u
B R445
4700
R019
R415
470
4700
C433
0.1u
B
R458 R465
10k 1k
R459 C434 R466
10k 470p 1k
R467
1k
R460 C435 R468
100k 470p 1k
C412
R462
0.068u
10k
B
SPFG1
R426
3300 R446
3300
C422
2200p C424
2200p
B
B
R427
15k R447
15k
R420 R448
15k 15k
B+
28 38 27 26 25 24 23 22 21 20 19
R463
1k
B+
9 37 10 11 12 13 14 15 16 17 18
JL426
C428
C436
0.047u 0.033u
R421
B
B
0
R449
8200
R450
10k R470
1300
± 0.5%
R469
56k
± 0.5%
C415
0.1u
B
C429
0.047u
B
R451
1k
R464
150k
± 0.5%
R471
150k
± 0.5%
SPFG1
8 9
IC404 wd IC404 wd
(DVD PLAY) (CD PLAY)
1.3Vp-p
240mVp-p
40ms/div
4-21
9 10 11 12
B+
JL429
R476
220
C439
C451
0.1u
47u
B
16V
1.7
PDM3
3.3
VDD2
1.5
PDM2
C452
C440 0.01u VSS2
B
0.1u
R482 1.6
B 33 PDM1
3.3
VDD1
1.6
PDM0
VSS1
2.6
VRTA
3.3
VCCA1
C453 TESTA
0.01u
GNDA1
B
0.6
VRBA
VSS3V
C446
0.1u 3.3
R490
VDD3V
B
470
1.6
ADC7
2.6
ADC6
R491 C447
1k 1.7
0.1u
ADC5
B
1.6
C448
R477 ADC4
4700p
4700 1.6
B
ADC3
R492 C449
PI 4700p 1.6
470
ADC2
C442 B
C441 R493
FE 1.6
0.1u 0.047u 470
ADC1
B B R494
TE 1.3
470
ADC0
C450
R478 4700p
VSS
18k B
3.3
C443 VDD
0.047u
B
R479
18k
C454
R484 0.01u
R483
B
12k
12k
B+
R480
1800
R481
1800
R496
IC403
C444
47u
6.3V
REF VOLT GEN/SPINDLE FG AMP
R472
1k
± 0.5%
R473
IC403 BA10324AFV-E2
1300
± 0.5%
R488
1k
± 0.5%
C445
0.1u
B
C437 R489
1k
0.1u
± 0.5%
B
C462
0.01u R485
B SIGNAL PATH
470
R486
1k
± 0.5%
R474 C438 R487
56k 0.033u 1k
± 0.5% B ± 0.5%
0
IC404 og
4.5Vp-p
27 MHz
1.3Vp-p
200ms/div
13 14 15 16 17
C455
R002
0.01u
22
B
C456
0.1u
B
C457
0.22u
B
C458
0.1u
B
100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76
10 VSS
3.3
VDD
1.6
PWM0
1.6
PWM1
2.1
PWM2
TESTB
TESTC
3.2
RS
VSS
EMU0
IC404
EMU1
3.3
VDD
SERVO DSP
TDO
IC404
CXD9569R
TCK
TDI
TMS
TRST
VSS
6 CLKOUT1
DVD PLAY 3.3
VCC
3.2
7 GIO0
CD PLAY 1.6
GIO1
3.2
GIO2
8
DVD PLAY 3.1
GIO3
JL439
9 VSS
CD PLAY
26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
C463
0.01u
B
R497 R017
R016
1k 1k 1k
1k
SPINDLE SERVO (SPEED AND PHASE)
TRACKING SERVO DVD/CD CDV
SLED SERVO DVD/CD
FOCUS SERVO
SKEW SERVO DVD/CD
4-22
DVP-CX860/CX870D
18 19 20
SVC 70
TO(6/10)
PI
PI
FE
FE 67
TE TO(6/10)
TE
R014
47
27MSDP
44 TO(8/10)
D_GND 3
TO(3/10)
FL402 B+
JL430
+3.3V 2 TO(3/10)
SLDA1
SLDB1
SPDL1
R015
100
XRST 26
TO(7/10)
C459
0.001u
B
HD8
HD8
HD9
SPCNT1 HD9
HD10
TILTA1 HD10
HD11
HD11
TILTB1
HD12
11
TO(7/10)
HD12
HD13
HD13
C460
HD14
0.01u
HD14
B
HD15
HD15
HA0
HA0
HA1
5 TO(7/10)
HA1
WRH
WRH
RD
12
TO(7/10)
RD
SDSPINT
SDSPINT
43
XSDSPCS TO(7/10)
XSDSPCS
TILTMUTE1
LOCK
15 TO(1/10)
XDRVMUTE
75 TO(6/10)
B+
+5V 1
TO(3/10)
MDS0
14
TO(1/10)
MDP0
XDRVMUTE
45 TO(7/10)
SSCS
SSCS
SSRD
SSRD 68
TO(6/10)
SSWD
SSWD
SSCK
SSCK
TZC
TZC
MIRR
MIRR
SSDFCTI 69
TO(6/10)
SSDFCTI
SSDFCT
SSDFCT
SERVO CONTROL
MB-94 (5/10)